Invaders such as purple-flowered Asian melastome and strawberry guava threaten to overrun delicate Hawaiian natives such as thornless roses and delicate tree ferns.

包括亚洲紫色野牡丹和草莓番石榴在内的外来物种肆意繁殖，威胁了脆弱的本地物种，如无刺玫瑰和树厥的生长。